com.kotcrab.vis.editor.util.CrashReporter.java Source code

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Here is the source code for com.kotcrab.vis.editor.util.CrashReporter.java

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/*
 * Copyright 2014-2015 See AUTHORS file.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.kotcrab.vis.editor.util;

import com.badlogic.gdx.utils.Array;
import com.kotcrab.vis.editor.App;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.input.ReversedLinesFileReader;

import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Set;

public class CrashReporter {
    private static final String TAG = "CrashReporter";

    private StringBuilder crashReport;
    private File logFile;
    private String report;

    public CrashReporter(File logFile) throws IOException {
        this.logFile = logFile;
        this.crashReport = new StringBuilder();

        printHeader();
        printThreadInfo();
        printLog();

        report = crashReport.toString();
    }

    public void processReport() throws IOException {
        File crashReportFile = new File(logFile.getParent(),
                "viseditor-crash " + new SimpleDateFormat("yy-MM-dd HH-mm-ss").format(new Date()) + ".txt");
        FileUtils.writeStringToFile(crashReportFile, report);
        Log.info(TAG, "Crash saved to file: " + crashReportFile.getAbsolutePath());
    }

    private void printHeader() {
        println("--- VisEditor Crash Report ---");
        println("VisEditor " + App.VERSION);
        println("VersionCode: " + App.VERSION_CODE + " Snapshot: " + App.SNAPSHOT);
        println();

        println("Java: " + System.getProperty("java.version") + " " + System.getProperty("java.vendor"));
        println("Java VM: " + System.getProperty("java.vm.name"));
        println("OS: " + System.getProperty("os.name") + " " + System.getProperty("os.version") + " "
                + System.getProperty("os.arch"));
        println();

    }

    private void printThreadInfo() {
        println("--- Threads ---");

        Set<Thread> threadSet = Thread.getAllStackTraces().keySet();

        for (Thread t : threadSet) {
            if (t.isDaemon()) {
                println("Skipping daemon thread: " + t.getName());
            } else {
                println("Thread: " + t.getName());
                for (StackTraceElement e : t.getStackTrace()) {
                    crashReport.append("\t");
                    println(e.toString());
                }
            }

            println();
        }

        println("---------------");
        println();
    }

    private void printLog() throws IOException {
        println("--- Log file (last 200 lines) ---");

        ReversedLinesFileReader reader = new ReversedLinesFileReader(logFile);
        Array<String> logLines = new Array<>();

        for (int i = 0; i < 200; i++) {
            String line = reader.readLine();
            if (line == null)
                break;
            logLines.add(line);
        }

        logLines.reverse();

        for (String s : logLines)
            println(s);

        println("---------------------------------");
        println();
    }

    private void println() {
        crashReport.append(System.lineSeparator());
    }

    private void println(String s) {
        crashReport.append(s);
        crashReport.append(System.lineSeparator());
    }
}